Table service signal light



FIG. 1 is a top perspective view of a table service signal light showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a table service signal light, as shown and described. 